At a time when Islamic revival movements in many countries make headlines, it is vital to note that Islamic revivalism is not at all a new phenomenon, nor is it simple and monolithic as it is often portrayed. In this ground-breaking study, Seyyed Vali Reza Nasr examines the origins, historical development and political strategies of one of the oldest and most influential Islamic revival movements, the Jama'at-i Islami of Pakistan.